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. 2019 May 16;19:49–56. doi: 10.1016/j.jare.2019.05.002

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© 2019 The Authors. Published by Elsevier B.V. on behalf of Cairo University.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 4 — Taxonomic structure of cultivable endophytic diazotrophs. Dendrogram displaying phylogenetic affiliations (based on 16S rRNA genes) of diazotrophic strains isolated from the endophyllosphere (stems, roots) of the halophyte Salicornia europaea L. grown at the two different saline test sites (S1/S2) compared to endospheric diazotrophs originating from non-halophytic crop plants. Abbreviations: Branch lengths are assigned as numbers and the bootstrap support values, ranging from 70% to 100%, as gray circles to the edges. All strains are colored according to their genus. Methanococcus voltae PS served as outgroup. Diazotrophic strains are written in bold font style, whereas phylogenetic closely related species are written in normal style. The surrounding circles describe: strains of halophytic () and non-halophytic plants (), the plant isolation site, stem () and root (), and the two distinct isolation test sites, S1 () and S2 ().

Inline graphic — Taxonomic structure of cultivable endophytic diazotrophs. Dendrogram displaying phylogenetic affiliations (based on 16S rRNA genes) of diazotrophic strains isolated from the endophyllosphere (stems, roots) of the halophyte Salicornia europaea L. grown at the two different saline test sites (S1/S2) compared to endospheric diazotrophs originating from non-halophytic crop plants. Abbreviations: Branch lengths are assigned as numbers and the bootstrap support values, ranging from 70% to 100%, as gray circles to the edges. All strains are colored according to their genus. Methanococcus voltae PS served as outgroup. Diazotrophic strains are written in bold font style, whereas phylogenetic closely related species are written in normal style. The surrounding circles describe: strains of halophytic () and non-halophytic plants (), the plant isolation site, stem () and root (), and the two distinct isolation test sites, S1 () and S2 ().